摘要: #include#include#include#include#includeusing namespace std;#define N 510000struct P{ int x,y; P(int a=0,int b=0){x=a,y=b;} bool operator=k)retu... 阅读全文
posted @ 2014-06-26 22:26 wangyucheng 阅读(181) 评论(0) 推荐(0) 编辑